2.2 Administering Oracle ASM on Exadata

There are some administration tasks that may be required to use Oracle ASM on Exadata.

• Configuring Exadata Storage Discovery for Oracle ASM
  
• Understanding Oracle ASM Disk Groups for Oracle Exadata Storage Servers
  This topic explains Oracle Automatic Storage Management (Oracle ASM) disk groups, and how to create an Oracle ASM disk group for Oracle Exadata System Software using the CREATE DISKGROUP SQL command.
• Creating Oracle ASM Disk Groups
  You can create Oracle ASM disk groups on Oracle Exadata Storage Server grid disks.
• Adding a Disk to an Oracle ASM Disk Group
  You can add a disk to an Oracle ASM disk group.
• Mounting or Dismounting an Oracle ASM Disk Group
  A disk group must be mounted by Oracle ASM before a database can access the files in the disk group.
• Changing a Disk to Offline or Online
  You can change an Oracle ASM disk to INACTIVE or ACTIVE.
• Dropping a Disk from an Oracle ASM Disk Group
  You can drop a grid disk from a disk group.
• Dropping an Oracle ASM Disk Group
  You can drop an Oracle ASM disk group.
• Enabling the Oracle ASM appliance.mode Attribute
  The Oracle ASM appliance.mode attribute improves disk rebalance completion time when dropping one or more Oracle ASM disks.
• Checking Disk Group Balance
  
• Setting the Oracle ASM Disk Repair Timer